PowerShell script to upgrade Chocolatey packages, and remove any added links

ChocoUpgradeAllNoLinks.ps1

# If running on a new machine, make sure to allow this script to run using the below commands or similar:
# Set-ExecutionPolicy -Scope LocalMachine -ExecutionPolicy RemoteSigned
# Unblock-File -Path .\ChocoUpgradeAllNoLinks.ps1
# powershell -File .\ChocoUpgradeAllNoLinks.ps1
Set-StrictMode  -Version 3.0

# Snapshot Desktop links before upgrade
$links_before = Get-ChildItem "C:\Users\*\Desktop\*" -Filter "*.lnk" -File

# Upgrade packages
& "choco" upgrade all -y

# Snapshot Desktop links after upgrade
$links_after = Get-ChildItem "C:\Users\*\Desktop\*" -Filter "*.lnk" -File

# Handle added links
If ($links_after) {
    If ($links_before) {
        # Find added links
        $diff = Compare-Object -ReferenceObject $links_before -DifferenceObject $links_after
        $links_added = $diff | Where-Object { $_.SideIndicator -eq "=>" }

        # Delete added links
        If ($links_added) {
            Remove-Item $links_added.InputObject
        }
    } else {
        $links_after | Remove-Item
    }
}